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fix: use dynamic YouTube Music params #722

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fix: use dynamic YouTube Music params #722

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23 changes: 14 additions & 9 deletions src/services/youtube.js
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ export class YouTubeMusic {
'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36',
},
}),
apiKey: null,
apiConfig: null,
};

#request = async function request(url, opts) {
Expand All @@ -103,13 +103,15 @@ export class YouTubeMusic {
return response.body;
};

#getApiKey = async function getApiKey(force = false) {
if (this.#store.apiKey && !force) return this.#store.apiKey;
#deriveConfig = async function deriveConfig(force = false) {
if (this.#store.apiConfig && !force) return this.#store.apiConfig;
const body = await this.#request('https://music.youtube.com/', {method: 'get'});
let match;
if ((match = (body || '').match(/(?="INNERTUBE_API_KEY":"(.+?)")/)))
return ([, this.#store.apiKey] = match), this.#store.apiKey;
throw new YouTubeSearchError('Failed to extract `INNERTUBE_API_KEY`');
if ((match = (body || '').match(/ytcfg\.set\s*\(\s*({.+})\s*\)\s*;/))) {
this.#store.apiConfig = JSON.parse(match[1]);
return this.#store.apiConfig;
}
throw new YouTubeSearchError('Failed to extract YouTube Music Configuration');
};

#YTM_PATHS = {
Expand All @@ -130,16 +132,19 @@ export class YouTubeMusic {
*/
if (typeof queryObject !== 'object') throw new Error('<queryObject> must be an object');
if (params && typeof params !== 'object') throw new Error('<params>, if defined must be an object');

let {INNERTUBE_API_KEY, INNERTUBE_CLIENT_NAME, INNERTUBE_CLIENT_VERSION} = await this.#deriveConfig();

const response = await this.#request('https://music.youtube.com/youtubei/v1/search', {
timeout: {request: 10000},
method: 'post',
searchParams: {alt: 'json', key: await this.#getApiKey(), ...params},
searchParams: {alt: 'json', key: INNERTUBE_API_KEY, ...params},
responseType: 'json',
json: {
context: {
client: {
clientName: 'WEB_REMIX',
clientVersion: '0.1',
clientName: INNERTUBE_CLIENT_NAME,
clientVersion: INNERTUBE_CLIENT_VERSION,
hl: 'en',
gl: 'US',
},
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